/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Official DappRadar Brand Colors */
    --primary-blue: #006CFF;
    --columbia-blue: #66A7FF;
    --dark-violet: #A933FF;
    --spring-green: #00FFA3;
    --white: #FFFFFF;
    
    /* Background Hierarchy */
    --bg-primary: #000D26;
    --bg-level-1: #041938;
    --bg-level-2: #0E2240;
    --bg-level-3: #152846;
    
    /* Typography */
    --font-heading: 'Inter Tight', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-ui: 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 13, 38, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(102, 167, 255, 0.1);
    transition: all var(--transition-smooth);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-link {
    text-decoration: none;
    color: inherit;
}

.logo {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--white);
}

.logo i {
    font-size: 28px;
    color: var(--primary-blue);
}

.dappradar-logo {
    height: 32px;
    width: auto;
    object-fit: contain;
    filter: brightness(1.1);
    transition: all var(--transition-fast);
}

.logo:hover .dappradar-logo {
    filter: brightness(1.3);
    transform: scale(1.05);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    gap: 4px;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all var(--transition-fast);
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--columbia-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--primary-blue);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background: var(--columbia-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.nav-cta::after {
    display: none;
}

/* Hero Section */
.hero {
    padding: 120px 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-level-1) 50%, var(--bg-level-2) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(0, 108, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(169, 51, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 48px;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--white) 0%, var(--columbia-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.5;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    margin-top: var(--spacing-2xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 32px;
    color: var(--spring-green);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: 8px;
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 16px;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-smooth);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--columbia-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 108, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--columbia-blue);
}

.btn-secondary:hover {
    background: var(--columbia-blue);
    color: var(--white);
    transform: translateY(-2px);
}

/* Validators Section */
.validators {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.section-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 40px;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.section-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.validators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.validator-card {
    background: var(--bg-level-1);
    border: 1px solid rgba(102, 167, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-xl);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.validator-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 108, 255, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
    pointer-events: none;
}

.validator-card:hover::before {
    opacity: 1;
}

.validator-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: 0 20px 40px rgba(0, 108, 255, 0.2);
}

.validator-card[data-network="xpr"] {
    background: var(--bg-level-2);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.network-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.network-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-level-3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary-blue);
    overflow: hidden;
}

.network-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: brightness(1.1);
    transition: all var(--transition-fast);
}

.validator-card:hover .network-logo {
    transform: scale(1.1);
    filter: brightness(1.3);
}

.network-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 20px;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.network-tagline {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.network-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    color: var(--spring-green);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--spring-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.card-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-item .stat-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-item .stat-value {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 18px;
    color: var(--white);
}

.card-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.feature i {
    color: var(--columbia-blue);
    width: 16px;
}

.card-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    background: var(--primary-blue);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.card-cta:hover {
    background: var(--columbia-blue);
    transform: translateY(-2px);
}

.card-footer-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    font-size: 12px;
    font-style: italic;
    color: rgba(255, 255, 255, 0.5);
}

.card-footer-info i {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.4);
}

/* Contact Section */
.contact {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--bg-level-1) 0%, var(--bg-level-2) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.contact-info .section-subtitle {
    text-align: left;
    margin-bottom: var(--spacing-2xl);
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact-features .feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.contact-features .feature i {
    font-size: 24px;
    color: var(--primary-blue);
    margin-top: var(--spacing-xs);
}

.contact-features .feature h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 18px;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.contact-features .feature p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.contact-form-container {
    position: relative;
}

.contact-form {
    background: var(--bg-level-1);
    border: 1px solid rgba(102, 167, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-level-2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 16px;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 108, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.error-message {
    display: block;
    color: #ff6b6b;
    font-size: 12px;
    margin-top: var(--spacing-xs);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.form-group.error input,
.form-group.error textarea {
    border-color: #ff6b6b;
}

.form-group.error .error-message {
    opacity: 1;
}

.btn-submit {
    width: 100%;
    position: relative;
    overflow: hidden;
}

.btn-loading {
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-submit.loading .btn-text {
    display: none;
}

.btn-submit.loading .btn-loading {
    display: flex;
}

.form-success {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-level-1);
    border: 1px solid rgba(0, 255, 163, 0.3);
    border-radius: 16px;
    padding: var(--spacing-xl);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    backdrop-filter: blur(10px);
}

.form-success.show {
    display: flex;
}

.form-success i {
    font-size: 48px;
    color: var(--spring-green);
    margin-bottom: var(--spacing-lg);
}

.form-success h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 24px;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.form-success p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

/* Footer */
.footer {
    background: var(--bg-level-2);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

.footer-links h4,
.footer-social h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 16px;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-blue);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-level-3);
    border-radius: 8px;
    color: var(--white);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-actions {
        flex-direction: row;
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .hero-actions .btn {
        flex: 1;
        max-width: 180px;
        justify-content: center;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 14px;
    }
    
    .hero-stats {
        gap: var(--spacing-xl);
    }
    
    .validators-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
}

@media (max-width: 768px) {
    .header-content {
        height: 60px;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        right: -100%;
        width: 250px;
        height: calc(100vh - 60px);
        background: var(--bg-level-1);
        backdrop-filter: blur(20px);
        border-left: 1px solid rgba(102, 167, 255, 0.1);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        transition: right var(--transition-smooth);
        z-index: 1000;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 16px;
        width: 100%;
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-cta {
        background: var(--primary-blue);
        padding: var(--spacing-md) var(--spacing-lg);
        border-radius: 8px;
        text-align: center;
        border-bottom: none;
        margin-top: var(--spacing-md);
    }
    
    .hero {
        padding: 100px 0 var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-stats {
        flex-direction: row;
        gap: var(--spacing-md);
        justify-content: space-between;
    }
    
    .stat {
        flex: 1;
        min-width: 0;
    }
    
    .stat-number {
        font-size: 24px;
    }
    
    .stat-label {
        font-size: 12px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .validators-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .validator-card {
        padding: var(--spacing-lg);
    }
    
    .card-stats {
        flex-direction: row;
        gap: var(--spacing-lg);
        justify-content: space-between;
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .header-content {
        height: 60px;
    }
    
    .nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 14px;
    }
    
    .validators-grid {
        grid-template-columns: 1fr;
    }
    
    .validator-card {
        padding: var(--spacing-md);
    }
    
    .contact-form {
        padding: var(--spacing-md);
    }
    
    .footer-content {
        gap: var(--spacing-md);
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
*:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Loading animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Hover effects for touch devices */
@media (hover: none) {
    .validator-card:hover {
        transform: none;
    }
    
    .btn:hover {
        transform: none;
    }
}

/* Prevent body scroll when menu is open */
body.menu-open {
    overflow: hidden;
}